TCA9509MRVHR - Texas Instruments

Manufacturer Part Number

TCA9509MRVHR

Manufacturer

Texas Instruments

Introduction

The TCA9509MRVHR is an I2C bus buffer that extends the range of I2C devices in buffering speed and bus capacitance.

Product Features and Performance

Supports I2C bus applications

Up to 400kHz data rate support

1 channel I2C buffer

2ns delay time

Compatible with 2-wire bus system

5 pF input capacitance

Dual supply voltage range: 0.9V to 5.5V and 2.7V to 5.5V

Low supply current requirement: 900µA

Surface mount package for efficient PCB design

Product Advantages

Enhances I2C signal integrity

Allows extension of I2C bus length

Prevents signal degradation on long cables

Low power consumption

Flexible voltage compatibility for mixed-voltage systems

Key Technical Parameters

Data Rate (Max): 400kHz

Number of Channels: 1

Delay Time: 127.2ns

Capacitance - Input: 6.5 pF

Voltage - Supply: 0.9V ~ 5.5V, 2.7V ~ 5.5V

Current - Supply: 900µA

Operating Temperature Range: -40°C to +85°C

Quality and Safety Features

Operates reliably within industrial temperature range

Compatibility

Compatible with I2C and SMBus standards

Application Areas

Communication infrastructure

Consumer electronics

Automotive systems

Data acquisition systems

Product Lifecycle

Product Status: Active

Not indicated as nearing discontinuation

Replacements or upgrades may exist as newer interface ICs are developed

Several Key Reasons to Choose This Product

Robust operation in a wide temperature range

Enables complex I2C topologies

Empowers design flexibility due to dual supply voltages

Ensures reliable data transmission for I2C protocols

Minimizes power draw in I2C systems

Texas Instruments quality and support